What animal has an unexpected skeletal shape?
The animal with the most unexpected skeletal shape is the sea cucumber. Sea cucumbers are marine invertebrates that belong to the phylum Echinodermata. They are related to starfish, sea urchins, and sand dollars. Sea cucumbers have a long, cylindrical body with a mouth at one end and an anus at the other. Their body is covered in a tough, leathery skin.
Sea cucumbers have a unique skeletal structure that is made up of collagen and calcium carbonate. Their skeleton is not hard like the bones of a vertebrate, but it is flexible and can change shape. This allows them to move in a variety of ways. They can crawl, burrow, or swim.
The sea cucumber's skeletal shape is well-suited for its lifestyle. It allows them to move through the water or burrow into the sand. Their flexible skeleton also helps them to protect themselves from predators.
Related Questions and Answers:
- What is the phylum that sea cucumbers belong to? Echinodermata
- What are the other animals that sea cucumbers are related to? Starfish, sea urchins, and sand dollars
- What is the sea cucumber's skeleton made of? Collagen and calcium carbonate
- How does the sea cucumber's skeleton help it move? It allows it to crawl, burrow, or swim
- How does the sea cucumber's skeleton help it protect itself from predators? It provides flexibility and protection
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